package com.hmall.trade.listener;


import com.hmall.api.client.PayClient;
import com.hmall.api.dto.PayOrderDTO;
import com.hmall.trade.constants.MQConstants;
import com.hmall.trade.domain.po.Order;
import com.hmall.trade.service.IOrderService;
import lombok.RequiredArgsConstructor;
import org.springframework.amqp.rabbit.annotation.Exchange;
import org.springframework.amqp.rabbit.annotation.Queue;
import org.springframework.amqp.rabbit.annotation.QueueBinding;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.stereotype.Component;

@Component
@RequiredArgsConstructor
public class OrderDelayMessageListener {

    private final IOrderService orderService;
    private final PayClient payClient;

    @RabbitListener(bindings = @QueueBinding(//消费者监听来生成交换机、队列、绑定关系
            value = @Queue(name = MQConstants.DELAY_ORDER_QUEUE_NAME),
            exchange = @Exchange(name = MQConstants.DELAY_EXCHANGE_NAME , delayed = "true"),
            key = MQConstants.DELAY_ORDER_KEY
    ))


    public void listenOrderDelayMessage(Long orderId) {

        //1.查询订单
        Order order = orderService.getById(orderId);

        //2.先在本地检测订单状态,判断是否已支付（如果订单支付异步通信没问题，订单状态已经被修改）
        if (order == null || order.getStatus() != 1) {

            //订单不存在或者已经支付
            return;
        }

        //3.订单未支付,需要查询支付流水状态（远程调用）
        PayOrderDTO payOrder = payClient.queryPayOrderByBizOrderNo(orderId);

        //4.判断是否已经支付
        if (payOrder != null && payOrder.getStatus() == 3) {

            //4.1 已支付, 标记订单状态已支付
            orderService.markOrderPaySuccess(orderId);

        } else {

            //4.2 未支付, 取消订单,恢复库存
            orderService.cancelOrder(orderId);
        }

    }

}
